Everywhere: Fix a few typos and spelling issues (#10)

Author: bgianfo

content/advanced-features/index.md

@@ -297,7 +297,7 @@ There are a few additional options available in the `jobmanagers/config.json`
 file which apply in both cluster and local modes, under the `settings` key.
 
 Several popular third-party libraries use environment variables to control
-the number of threads they parallize jobs over, for example `OMP_NUM_THREADS`
+the number of threads they parallelize jobs over, for example `OMP_NUM_THREADS`
 for OpenMP.  The `thread_envs` key specifies a list of environment variables
 which should be set to be equal to the job thread reservation.  These are
 applied in cluster mode, and in local mode if the number of threads is

content/inspecting-pipelines/index.md

@@ -61,7 +61,7 @@ logs. A chunk directory may contain the following:
 
 There are several other metadata files which may be present, either as sentinel
 values for the pipeline runtime, or optional debugging information from stage
-code, for example from performace profiling tools.
+code, for example from performance profiling tools.
 
 ## Pipestance Metadata
 
@@ -104,7 +104,7 @@ directory.
 The start of the `_log` contains information on how `mrp` was started,
 including command-line options used, relevant environment variables, and job
 manager settings. The balance of the log largely comprises notifications of
-stage progess. One can use this logging to monitor the progress of the `mrp`
+stage progress. One can use this logging to monitor the progress of the `mrp`
 through the pipeline's graph.
 
 Here is an example of the top of a log:

content/language-details/index.md

@@ -161,7 +161,7 @@ already assigned in the input call explicitly (e.g. `foo` in the example).
 ### Collection types
 
 Martian also supports collections of values as arrays or typed maps.  These are
-declared using a syntax that is familar to users of C-style languages.  Arrays
+declared using a syntax that is familiar to users of C-style languages.  Arrays
 are declared as for example `int[]`.  Typed maps (available in the martian 4.0
 preview) always have string keys, and
 are declared as for example `map<int>`.  These can be combined as for example